OLDSMOBILE BRAVADA 1998 Owners Manual

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Section 4 Your Driving and the Road
Here you’ll find information about driving on different kinds\
of roads and in varying weather conditions. We’ve also
included many other useful tips on driving.
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Defensive Driving
Drunken Driving
Control of a Vehicle
Braking
Steering
Off-Road Recovery
Passing
Loss of Control
Driving Guidelines Operating Your Bravada
Off Paved Roads Driving at
Night
Driving in Rain and on Wet Roads
City Driving
Freeway Driving Before Leaving
on a Long Trip
Highway Hypnosis
Hill and Mountain Roads
Winter Driving Loading Your Vehicle
Towing
a Trailer
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Defensive Driving
The best advice anyone can give about driving is:
Drive defensively.
Please start
with a very important safety device in your
vehicle: Buckle up. (See "Safety Belts"
in the Index.)
Defensive driving really means "be ready for anything."
On city streets, rural roads or freeways, it means
"always expect the unexpected."
Assume that pedestrians or other drivers are going to be
careless and make mistakes. Anticipate what
they might
do. Be ready
for their mistakes.
Rear-end collisions are about the most preventable
of accidents. Yet they are common. Allow enough
following distance.
It's the best defensive driving
maneuver,
in both city and rural driving. You never
know when the vehicle
in front of yo11 is going to brake
or turn suddenly.
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Drunken Driving
Death and injury associated with drinking and driving
is a national tragedy. It’s the number one contributor to
the highway death toll, claiming thousands of victims
every year.
Alcohol affects four things that anyone needs to drive
a vehicle:
0 Judgment
Muscular Coordination
0 Vision
Attentiveness.
Police records show that almost half of all motor
vehicle-related deaths involve alcohol. In most cases,
these deaths are the result
of someone who was drinking
and driving. In recent years, over 17,000 annual motor
vehicle-related deaths have been associated with the use
of alcohol, with more than
300,000 people injured.
Many adults
-- by some estimates, nearly half the
adult population
-- choose never to drink alcohol, so
they never drive after drinking. For persons under 2 1, it’s
against the law in every
US. state to drink alcohol. There
are good medical, psychological and developmental
reasons for these laws. The
obvious way to solve this highway safety problem
is for people never to drink alcohol and then drive. But
what if people do?
How much is “too much” if the
driver plans to drive? It’s a lot less than many might
think. Although it depends on each person and situation,
here is some general information on the problem.
The Blood Alcohol Concentration (BAC) of someone
who is drinking depends upon four things:
0 The amount of alcohol consumed
The drinker’s body weight
0 The amount of food that is consumed before and
during drinking
The length of time it has taken the drinker to
According to the American Medical Association, a
180-lb. (82 kg) person who drinks three 12-ounce
(355 ml) bottles of beer in an hour will end up with a
BAC of about
0.06 percent. The person would reach the
same BAC by drinking three 4-ounce
(120 ml) glasses
of wine or three mixed drinks if each had 1 - 1/2 ounces
(45 ml)
of a liquor like whiskey, gin or vodka.
consume
the alcohol.
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It’s the amount of alcohol that counts. For example, if
the same person drank three double martinis (3 ounces
or
90 ml of liquor each) within an hour, the person’s
BAC would be close to
0.12 percent. A person who
consumes food just before or during drinking will have
a somewhat lower BAC level. There
is a gender difference, too.
Women generally have
a lower relative percentage
of body water than men.
Since alcohol
is carried in body water, this means that a
woman generally will reach a higher BAC level than a
man of her same body weight when each has the same
number
of drinks.
The law
in many U.S. states se.ts the legal limit at a BAC
of 0.10 percent. In a growing number of U.S. states, and
throughout Canada, the
limit is 0.08 percent. In some
other countries, it’s even lower. The BAC limit for
all
commercial drivers in the United States is 0.04 percent.
The BAC
will be over 0.10 percent after three to
six drinks
(in one hour). Of course, as we’ve seen, it
depends on how much alcohol is in the drinks, and
how quickly the person drinks them.
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But the ability to drive is affected well below a BAC
of
0.10 percent. Research shows that the driving skills
of many people are impaired at a BAC approaching
0.05 percent, and that the effects are worse at night. All
drivers are impaired at BAC levels above
0.05 percent.
Statistics show that the chance of being
in a collision
increases sharply for drivers who have a BAC of
0.05 percent or above. A driver with a BAC level of
0.06 percent has doubled his or her chance of having a
collision. At a BAC level of 0.10 percent, the chance
of this driver having
a collision is 12 times greater; at a
level of 0.15 percent, the chance is 25 times greater!
The body takes about an hour
to rid itself of the alcohol
in one drink. No amount of coffee or number of cold
showers will speed that up.
“I’ll be careful” isn’t the
right answer. What
if there’s an emergency, a need to
take sudden action, as when a child darts into the street?
A person with even a moderate BAC might not be able
to react quickly enough to avoid the collision. There’s
something else about drinking and driving that
many people don’t know. Medical research shows that
alcohol
in a person’s system can make crash injuries
worse, especially injuries to the brain, spinal cord or
heart. This means that when anyone who has been
drinking
-- driver or passenger -- is in a crash, that
person’s chance
of being killed or permanently disabled
is higher than
if the person had not been drinking.
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Drinking and then driving is very dangerous. Your
reflexes, perceptions, attentiveness and judgment
can be affected by even a small amount of alcohol.
You can have a serious
-- or even fatal -- collision
if you drive after drinking. Please don’t drink and
drive or ride with
a driver who has been drinking.
Ride home in
a cab; or if you’re with a group,
designate a driver who
will not drink.
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Control of a Vehicle
You have three systems that make your vehicle go where
you want it to go. They are the brakes, the steering and
the accelerator. All three systems have to do their work
at the places where the tires meet the road.
And,
of course, actual stopping distances vary greatly
with the surface of the road (whether it’s pavement or
gravel); the condition
of the road (wet, dry, icy); tire
tread; the condition
of your brakes; the weight of the
vehicle and the amount of brake force applied.
Sometimes, as when you’re driving on snow or ice, it’s
easy to ask more
of those control systems than the tires
and road can provide. That means you can lose control
of your vehicle.
Braking
Braking action involves perception time and
reaction time.
First, you have to decide to push on the brake pedal.
That’s
perception time. Then you have to bring up your
foot and
do it. That’s reaction time.
Average reaction time is about 3/4 of a second. But
that’s only an average. It might be
less with one driver
and as long as two or three seconds
or more with
another. Age, physical condition, alertness, coordination
and eyesight all play a part.
So do alcohol, drugs and
frustration. But even in
314 of a second, a vehicle
moving at
60 mph (100 km/h) travels 66 feet (20 m).
That could be a lot of distance in an emergency,
so
keeping enough space between your vehicle and others
is important.
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Avoid needless heavy braking. Some people drive in
spurts -- heavy acceleration followed by heavy
braking
-- rather than keeping pace with traffic. This
is
a mistake. Your brakes may not have time to cool
between hard stops. Your brakes
will wear out much
faster
if you do a lot of heavy braking. If you keep pace
with the traffic and allow realistic following distances,
you will eliminate a lot of unnecessary braking. That
means better braking and longer brake life.
If your engine ever stops while you’re driving, brake
nol-mally but don’t
pump your brakes. If you do, the
pedal
may get harder to push down. If your engine
stops, you
will still have some power brake assist. But
you will use it when you brake. Once the power assist is
used
up, it may take longer to stop and the brake pedal
will be harder to push.
Anti-Lock Brakes (ABS)
Your vehicle has anti-lock brakes (ABS). ABS is an
advanced electronic braking system that will help
prevent
a braking skid.
When you start your engine and begin to drive away,
your anti-lock brake system will check itself. You may
hear
a momentary motor or clicking noise while this test
is going on. This is normal.
If there’s a problem with the
anti-lock brake system, this
warning light
will stay on.
See “Anti-Lock Brake
System Warning Light‘‘ in
the Index.
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Here’s how anti-lock works. Let’s say the road is wet.
You’re driving safely. Suddenly an animal jumps out in
front
of you. The anti-lock system
can change the brake pressure
faster than
any driver could. The computer is
programmed to make the most of available tire and
road conditions.
You slam on the brakes. Here’s what happens with ABS.
A computer senses that wheels are slowing down. If one
of the wheels is about to stop rolling, the computer will
separately work the brakes at each front wheel and at
both rear wheels.
You can steer around the obstacle while braking hard.
As you brake, your computer keeps receiving updates on
wheel speed and controls braking pressure accordingly.
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